VU
Azores Bullfinch Pyrrhula murina



Taxonomy

Taxonomic note


Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Ramos, J. A. 1993. Status and ecology of the Priolo or Azores Bullfinch. Thesis. Ph.D., Oxford, UK:University of Oxford.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - D1+2

Red List history
Year Category Criteria
2021 Vulnerable D1+2
2016 Vulnerable D1+2
2013 Endangered B1ab(iii)+2ab(iii)
2012 Endangered B1ab(iii)+2ab(iii)
2010 Endangered B2a+b(iii)
2009 Critically Endangered B1a+b(iii,v); B2a+b(iii,v)
2008 Critically Endangered
2005 Critically Endangered
2004 Endangered
2000 Endangered
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status not a migrant Forest dependency medium
Land-mass type Average mass 30 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 700 km2
Number of locations 1 -
Severely fragmented? yes -
Population
Estimate Data quality Derivation Year of estimate
Population size 500-1700 mature individuals good estimated 2018
Population trend stable medium estimated -
Generation length 3.87 years - - -
Number of subpopulations 1 - - -
Percentage of mature individuals in largest subpopulation 100% - - -

Population justification: The European breeding population is estimated at 250–850 pairs, which equates to 500–1,700 mature individuals (BirdLife International in prep.) or 750-2,600 individuals in total (assuming breeding individuals make up two-thirds of the total population). Previously, estimates based on annual point count surveys between 2002 and 2005 ranged between 203 and 331 individuals (Ramos et al. 2005), whereas analysis of ringed birds between 2005 and 2008 gave a total population estimate of 1,608 ± 326 mature individuals (Monticelli et al. 2010), and a study using distance-sampling methods in 2008 gave an estimate of 1,064 ± 304 individuals (Ceia et al. 2011a).

Trend justification: The population size is estimated to be stable in the short-term (2007-2018) and increasing in the long-term (1980-2018) by 727% (BirdLife International in prep.).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Portugal extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Portugal Pico da Vara

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable non-breeding
Forest Subtropical/Tropical Dry major resident
Shrubland Mediterranean-type Shrubby Vegetation suitable resident
Altitude 0 - 700 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Scale Unknown/Unrecorded Timing Scope Severity Impact
Past, Unlikely to Return Majority (50-90%) Slow, Significant Declines Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Wood & pulp plantations - Scale Unknown/Unrecorded Timing Scope Severity Impact
Past, Unlikely to Return Majority (50-90%) Slow, Significant Declines Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Hunting & trapping terrestrial animals - Intentional use (species is the target) Timing Scope Severity Impact
Past, Unlikely to Return Majority (50-90%) Unknown Past Impact
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Clethra arborea Timing Scope Severity Impact
Ongoing Whole (>90%) No decline Medium Impact: 6
Stresses
Ecosystem degradation
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Cryptomeria japonica Timing Scope Severity Impact
Ongoing Whole (>90%) No decline Medium Impact: 6
Stresses
Ecosystem degradation
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Felis catus Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Hedychium gardnerianum Timing Scope Severity Impact
Ongoing Whole (>90%) No decline Medium Impact: 6
Stresses
Ecosystem degradation
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Named species Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Named species Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Pittosporum undulatum Timing Scope Severity Impact
Ongoing Whole (>90%) No decline Medium Impact: 6
Stresses
Ecosystem degradation

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Azores Bullfinch Pyrrhula murina. Downloaded from https://datazone.birdlife.org/species/factsheet/azores-bullfinch-pyrrhula-murina on 24/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 24/11/2024.